1812-820M

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Fixed inductors, also known as lumped inductors, are electrical components that primarily store energy in the form of magnetic flux. 1812-820M are particularly suitable for general-purpose, low-profile surface mounted applications and can offer high inductance values over a wide range of current ratings.

Overview

The 1812-820M is specifically designed for low-profile surface mounted applications. It utilizes a proprietary windings construction method with a high-temperature fire-resistant housing to facilitate a very compact device. It has a near-flat temperature coefficient over the entire temperature range, as well as high stability over the operating life of the component. The 1812-820M also offers exceptional resistance to shock and vibration, making it suitable for most demanding industrial and transportation applications.

Application Field

The 1812-820M offers a variety of applications in the consumer electronics, automotive, industrial, and medical industry. It is frequently used in switch mode power supplies, power filters, EMI filters, motor applications, and signal processing. The low-profile design and high-efficiency winding construction make it suitable for even the most compact electronics, such as cell phones, laptop computers, and other consumer electronics. Additionally, it is compatible with a variety of substrates such as FR-4 and metal-core printed circuit boards.

Working Principle

Fixed inductors work through the principle of inductance, which is the tendency of an electrical conductor to oppose a change in electric current. When a varying current passes through the device, the flux created will cause an electromotive force that opposes the change in current. As a result, the coil will tend to resist a change in the amount of current passing through it. The strength of this opposition is known as the inductance, and it is measured in henries (H).

The 1812-820M utilizes a proprietary winding construction to effectively control the distribution of current over the component. By utilizing two winding wires, it helps to minimize the number of turns required and significantly reduce the size of the device. The 1812-820M has a self-shielding construction, which helps reduce the effects of crosstalk and interference in high-frequency applications. Its high resistance to shock and vibration is an additional benefit for reliability.

Conclusion

The 1812-820M is a high-performance fixed inductor designed for low-profile surface mounted applications. It offers a high degree of reliability and stability in a variety of applications including motor controls, EMI filters, signal processing, and power converters. Its proprietary winding construction enables the device to achieve a high degree of efficiency. The 1812-820M also offers a near-flat temperature coefficient and exceptional resistance to shock and vibration.

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